149 lines
4.6 KiB
C++
149 lines
4.6 KiB
C++
#pragma once
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#include "Card.h"
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enum {COMMEVT_WAIT=0, COMMEVT_ACK, COMMEVT_TERM, COMMEVT_MAX};
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enum eFWMODE {FWMODE_CIC=0, FWMODE_SIC_P8, FWMODE_PPC, FWMODE_SIC_P8A}; // NB. CIC = SSC
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typedef struct
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{
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//DIPSW1
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UINT uBaudRate;
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eFWMODE eFirmwareMode;
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//DIPSW2
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UINT uStopBits;
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UINT uByteSize;
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UINT uParity;
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bool bLinefeed;
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bool bInterrupts; // NB. Can't be read from s/w
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} SSC_DIPSW;
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#define TEXT_SERIAL_COM TEXT("COM")
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#define TEXT_SERIAL_TCP TEXT("TCP")
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class CSuperSerialCard : public Card
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{
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public:
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CSuperSerialCard(UINT slot);
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virtual ~CSuperSerialCard();
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virtual void Update(const ULONG nExecutedCycles) {}
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virtual void InitializeIO(LPBYTE pCxRomPeripheral);
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virtual void Reset(const bool powerCycle);
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virtual void Destroy() {}
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static const std::string& GetSnapshotCardName(void);
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virtual void SaveSnapshot(YamlSaveHelper& yamlSaveHelper);
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virtual bool LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version);
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void CommSetSerialPort(DWORD dwNewSerialPortItem);
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std::string const& GetSerialPortChoices();
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DWORD GetSerialPort() { return m_dwSerialPortItem; } // Drop-down list item
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const std::string& GetSerialPortName() { return m_currentSerialPortName; }
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bool IsActive() { return (m_hCommHandle != INVALID_HANDLE_VALUE) || (m_hCommListenSocket != INVALID_SOCKET); }
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void SupportDCD(bool bEnable) { m_bCfgSupportDCD = bEnable; } // Status
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void CommTcpSerialAccept();
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void CommTcpSerialReceive();
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void CommTcpSerialClose();
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void CommTcpSerialCleanup();
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static BYTE __stdcall SSC_IORead(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nExecutedCycles);
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static BYTE __stdcall SSC_IOWrite(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nExecutedCycles);
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private:
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BYTE __stdcall CommCommand(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
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BYTE __stdcall CommControl(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
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BYTE __stdcall CommDipSw(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
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BYTE __stdcall CommReceive(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
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BYTE __stdcall CommStatus(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
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BYTE __stdcall CommTransmit(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
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BYTE __stdcall CommProgramReset(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
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void InternalReset();
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void UpdateCommandAndControlRegs(BYTE command, BYTE control);
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void UpdateCommandReg(BYTE command);
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void UpdateControlReg(BYTE control);
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void GetDIPSW();
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void SetDIPSWDefaults();
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UINT BaudRateToIndex(UINT uBaudRate);
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void UpdateCommState();
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void TransmitDone(void);
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bool CheckComm();
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void CloseComm();
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void CheckCommEvent(DWORD dwEvtMask);
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static DWORD WINAPI CommThread(LPVOID lpParameter);
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bool CommThInit();
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void CommThUninit();
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UINT GetNumSerialPortChoices() { return m_vecSerialPortsItems.size(); }
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void ScanCOMPorts();
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void SetSerialPortName(const char* pSerialPortName);
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void SetRegistrySerialPortName(void);
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void SaveSnapshotDIPSW(class YamlSaveHelper& yamlSaveHelper, std::string key, SSC_DIPSW& dipsw);
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void LoadSnapshotDIPSW(class YamlLoadHelper& yamlLoadHelper, std::string key, SSC_DIPSW& dipsw);
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//
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private:
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std::string m_currentSerialPortName;
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DWORD m_dwSerialPortItem;
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static const UINT SERIALPORTITEM_INVALID_COM_PORT;
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std::vector<UINT> m_vecSerialPortsItems; // Includes "None" & "TCP" items
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std::string m_strSerialPortChoices;
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UINT m_uTCPChoiceItemIdx;
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static SSC_DIPSW m_DIPSWDefault;
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SSC_DIPSW m_DIPSWCurrent;
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static const UINT m_kDefaultBaudRate = CBR_9600;
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UINT m_uBaudRate;
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UINT m_uStopBits;
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UINT m_uByteSize;
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UINT m_uParity;
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// SSC Registers
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BYTE m_uControlByte;
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BYTE m_uCommandByte;
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//
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HANDLE m_hCommHandle;
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SOCKET m_hCommListenSocket;
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SOCKET m_hCommAcceptSocket;
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HWND m_hFrameWindow; // to avoid variable (de)-initialisation order issues
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//
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CRITICAL_SECTION m_CriticalSection; // To guard /m_vuRxCurrBuffer/ and /m_vbTxEmpty/
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std::deque<BYTE> m_qComSerialBuffer[2];
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volatile UINT m_vuRxCurrBuffer; // Written to on COM recv. SSC reads from other one
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std::deque<BYTE> m_qTcpSerialBuffer;
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//
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bool m_bTxIrqEnabled;
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bool m_bRxIrqEnabled;
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volatile bool m_vbTxIrqPending;
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volatile bool m_vbRxIrqPending;
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volatile bool m_vbTxEmpty;
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//
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HANDLE m_hCommThread;
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HANDLE m_hCommEvent[COMMEVT_MAX];
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OVERLAPPED m_o;
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BYTE* m_pExpansionRom;
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bool m_bCfgSupportDCD;
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UINT m_uDTR;
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static const DWORD m_kDefaultModemStatus = 0; // MS_RLSD_OFF(=DCD_OFF), MS_DSR_OFF, MS_CTS_OFF
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volatile DWORD m_dwModemStatus; // Updated by CommThread when any of RLSD|DSR|CTS changes / Read by main thread - CommStatus()& CommDipSw()
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UINT m_uRTS;
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};
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